BE438451A - - Google Patents
Info
- Publication number
- BE438451A BE438451A BE438451DA BE438451A BE 438451 A BE438451 A BE 438451A BE 438451D A BE438451D A BE 438451DA BE 438451 A BE438451 A BE 438451A
- Authority
- BE
- Belgium
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C1/00—Photosensitive materials
- G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
- G03C1/825—Photosensitive materials characterised by the base or auxiliary layers characterised by antireflection means or visible-light filtering means, e.g. antihalation
- G03C1/83—Organic dyestuffs therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE216435X | 1939-03-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE438451A true BE438451A (it) | 1940-04-30 |
Family
ID=5829090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE438451D BE438451A (it) | 1939-03-28 | 1940-03-27 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2282890A (it) |
| BE (1) | BE438451A (it) |
| CH (1) | CH216435A (it) |
| FR (1) | FR886891A (it) |
| IT (1) | IT381108A (it) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE450286A (it) * | 1942-04-22 | |||
| NL118122B (it) * | 1943-07-23 | |||
| DE953574C (de) * | 1950-05-12 | 1956-12-06 | Agfa Ag Fuer Photofabrikation | Verfahren zur Herstellung von Lichthofschutz- und Filterschichten |
| BE503129A (it) * | 1950-05-12 | |||
| BE552893A (it) * | 1955-11-26 | 1900-01-01 | ||
| US3072482A (en) * | 1958-01-10 | 1963-01-08 | Keuffel & Esser Co | Subbed photographically sensitive film element |
| BE621239A (it) * | 1961-08-09 | |||
| US4283538A (en) * | 1979-12-26 | 1981-08-11 | Polaroid Corporation | Novel triarylmethane compounds |
-
0
- IT IT381108D patent/IT381108A/it unknown
-
1940
- 1940-03-27 BE BE438451D patent/BE438451A/xx unknown
- 1940-04-02 CH CH216435D patent/CH216435A/de unknown
- 1940-05-14 US US335142A patent/US2282890A/en not_active Expired - Lifetime
-
1941
- 1941-02-20 FR FR886891D patent/FR886891A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT381108A (it) | 1900-01-01 |
| FR886891A (fr) | 1943-10-27 |
| CH216435A (de) | 1941-08-31 |
| US2282890A (en) | 1942-05-12 |